From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161550Ab2CPKe2 (ORCPT ); Fri, 16 Mar 2012 06:34:28 -0400 Received: from shards.monkeyblade.net ([198.137.202.13]:37252 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760368Ab2CPKe0 (ORCPT ); Fri, 16 Mar 2012 06:34:26 -0400 Date: Fri, 16 Mar 2012 03:32:04 -0700 (PDT) Message-Id: <20120316.033204.2200537098677808280.davem@davemloft.net> To: peterz@infradead.org Cc: steffen.klassert@secunet.com, mingo@elte.hu, tglx@linutronix.de, linux-kernel@vger.kernel.org Subject: Re: cpu_active vs pcrypt & padata From: David Miller In-Reply-To: <1331893215.18960.228.camel@twins> References: <1331892788.18960.227.camel@twins> <20120316.031644.577275447313181686.davem@davemloft.net> <1331893215.18960.228.camel@twins> X-Mailer: Mew version 6.4 on Emacs 23.3 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.6 (shards.monkeyblade.net [198.137.202.13]); Fri, 16 Mar 2012 03:32:06 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peter Zijlstra Date: Fri, 16 Mar 2012 11:20:15 +0100 > On Fri, 2012-03-16 at 03:16 -0700, David Miller wrote: >> From: Peter Zijlstra >> Date: Fri, 16 Mar 2012 11:13:08 +0100 >> >> > Also, wth is all this kernel/padata.c stuff? There's next to no useful >> > comment in there and the only consumer seems to be pcrypt, does that >> > really need to be in kernel/ ? >> >> There's really nothing specific to crypto in that padata.c file, >> anything trying to compute things in parallel with some kind >> of converging synchronization points can use that code. > > So why isn't anybody else using that? Don't the block/fs people need > similar things? Beats me, but just because there's only one user doesn't mean it belongs tucked away in that one user's subsystem.